Vest



FIG. 1 is a front view of a vest showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view of the vest as worn by an operator; and,

FIG. 4 is a back view of the vest as worn by an operator.

The elements depicted in dotted lines are environmental elements and form no part of the claimed design.

The oblique, cross-hatched pattern shown within the band details of the article indicate an alternate material. 

The ornamental design for a vest, as shown and described. 